/*
 * Copyright 2006 - Chris Maki
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.agoracms.listeners;

import java.util.Date;

import javax.persistence.PrePersist;

import org.agoracms.model.ModelBase;
import org.agoracms.model.User;
import org.agoracms.model.UserUtil;

public class ModelListener {
    
    @PrePersist
    public void setDates(ModelBase modelBase) {
    	
    	// set createdBy and updatedBy User information
    	User currentUser = UserUtil.getCurrentUser();
    	if (currentUser != null) {
			if (modelBase.getCreatedByUser() == null) {
				modelBase.setCreatedByUser(currentUser);
			}
			modelBase.setUpdatedByUser(currentUser);
		}
    	

		// set DateCreate and DateUpdated fields
		Date now = new Date();
		if (modelBase.getDateCreated() == null) {
			modelBase.setDateCreated(now);
		}
		modelBase.setDateUpdated(now);

		// set createdAtIP address and updatedAtIP address fields
		String addr = UserUtil.getCurrentUserIp();
		if (addr != null) {
			if (modelBase.getCreatedAtIP() == null) {
				modelBase.setCreatedAtIP(addr);
			}
			modelBase.setUpdatedAtIP(addr);
		}
		
	}
}
